
Red Line · New
Red Line V-Twin Primary Oil - Quart
MPN 42904 · Store SKU red42904
Supplier stock checked 11/8/2026, 9:34:33 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
1 qt., for Case Order 12 Manufacturer-listed features: • For 1984-to-present V-Twin American motorcycle engines, including Milwaukee-Eight, Evolution, Twin Cam and aftermarket engines of similar design • This friction-balanced product is balanced to provide less slip, smoother operation, and helps to apply more power in modified engines • This product is for use in the primary chain case with wet clutches • Improves clutch operation while reducing wear and temperature • Suitable for primary case in older British bikes • Same fluid as our famous MTL gear oil
Manufacturer fitment & guides
Check 42904 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Ground shipping only.